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Refrigeration & Air Conditioning Mechanic Red Seal · Question

Which type of motor is commonly used for large commercial and industrial refrigeration compressors due to its high efficiency and constant speed characteristics?

Three-phase induction motors are robust, efficient, and provide reliable, constant speed operation, making them ideal for larger compressor applications.

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Question: Which type of motor is commonly used for large commercial and industrial refrigeration compressors due to its high efficiency and constant speed characteristics?

Answer options: ✅ Three-phase induction motor

  • Split-phase motor
  • Capacitor-start, induction-run motor
  • Shaded-pole motor

Correct answer: Three-phase induction motor

Explanation: Three-phase induction motors are robust, efficient, and provide reliable, constant speed operation, making them ideal for larger compressor applications.

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